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Finding the Fourth Proportional to 411,763.85, 617,752.27 and 241,129.67

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Solution

The fourth proportional to 411,763.85, 617,752.27 and 241,129.67 is: 361,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,763.85 : 617,752.27 = 241,129.67 : x
  2. Step 2: Convert to fraction form
    411,763.85/617,752.27 = 241,129.67/x
  3. Step 3: Cross multiply
    411,763.85x = 617,752.27 × 241,129.67
  4. Step 4: Simplify right side
    411,763.85x = 148,958,398,256.82
  5. Step 5: Solve for x
    x = 148,958,398,256.82/411,763.85
  6. Step 6: Final answer
    x = 361,756.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.